//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
To use this component please contact sales@dhtmlx.com to obtain license
*/

dhtmlXGridObject.prototype.enableHeaderMenu=function()
{var that=this;this.attachEvent("onInit",function(){this.hdr.oncontextmenu = function(e){return that.grid._doHContClick(e||window.event)};{
 this.startColResizeA=this.startColResize;this.startColResize=function(e){if (e.button==2 || (_isMacOS&&e.ctrlKey))
 return this._doHContClick(e)
 return this.startColResizeA(e)}};this._chm_ooc=this.obj.onclick;this._chm_hoc=this.hdr.onclick;this.hdr.onclick=function(e){if (e && ( e.button==2 || (_isMacOS&&e.ctrlKey))) return false;that._showHContext(false);return that._chm_hoc.apply(this,arguments)
 };this.obj.onclick=function(){that._showHContext(false);return that._chm_ooc.apply(this,arguments)
 }});dhtmlxEvent(document.body,"click",function(){that._showHContext(false)})
 if (this.hdr.rows.length)this.callEvent("onInit",[])};dhtmlXGridObject.prototype._doHContClick=function(ev)
{this._createHContext();this._showHContext(true,ev.clientX,ev.clientY);ev[_isIE?"srcElement":"target"].oncontextmenu = function(e){(e||event).cancelBubble=true;return false};ev.cancelBubble=true;if (ev.preventDefault)ev.preventDefault();return false};dhtmlXGridObject.prototype._createHContext=function()
{if (this._hContext)return this._hContext;var d = document.createElement("DIV");d.oncontextmenu = function(e){(e||event).cancelBubble=true;return false};d.onclick=function(e){(e||event).cancelBubble=true;return true};d.className="dhx_header_cmenu";d.style.width=d.style.height="5px";d.style.display="none";var a=[];var i=0;if (this._fake)i=this._fake._cCount;var true_ind=i;for (var i;i<this.hdr.rows[1].cells.length;i++){var c=this.hdr.rows[1].cells[i];if (c.firstChild && c.firstChild.tagName=="DIV")var val=c.firstChild.innerHTML;else var val = c.innerHTML;a.push("<div class='dhx_header_cmenu_item'><input type='checkbox' column='"+true_ind+"' len='"+(c.colSpan||1)+"' checked='true' />"+val+"</div>");true_ind+=(c.colSpan||1)};d.innerHTML=a.join("");var that=this;var f=function(){var c=this.getAttribute("column");if (that._realfake)that=that._fake;for (var i=0;i<this.getAttribute("len");i++)
 that.setColumnHidden((c*1+i*1),!this.checked);if(this.checked && that.getColWidth(c)==0) 
 that.adjustColumnSize(c)};for (var i=0;i<d.childNodes.length;i++)d.childNodes[i].firstChild.onclick=f;document.body.insertBefore(d,document.body.firstChild);this._hContext=d;d.style.position="absolute";d.style.zIndex=999;d.style.visibility='hidden';if (!_isIE)d.style.overflow="auto";d.style.display='block';d.style.width=d.scrollWidth+"px";d.style.height=d.scrollHeight+"px";d.style.width=d.scrollWidth+8+"px";d.style.height=d.scrollHeight+4+"px";d.style.overflow="hidden";d.style.visibility='visible'};dhtmlXGridObject.prototype._updateHContext=function()
{for (var i=0;i<this._hContext.childNodes.length;i++){var c=this._hContext.childNodes[i].firstChild;var col=c.getAttribute("column");if (this.isColumnHidden(col)|| (this.getColWidth(col)==0))
 c.checked=false}};dhtmlXGridObject.prototype._showHContext=function(mode,x,y)
{if (mode && this.enableColumnMove){this._hContext.parentNode.removeChild(this._hContext);this._hContext=null};this._createHContext();this._hContext.style.display=(mode?'block':'none');if (mode){this._updateHContext(true);this._hContext.style.left=x+"px";this._hContext.style.top=y+"px"}};
//v.1.6 build 80512

/*
Copyright DHTMLX LTD. http://www.dhtmlx.com
To use this component please contact sales@dhtmlx.com to obtain license
*/